docs: def check_var_standard_name(self, ds):
          '''
          Checks each applicable variable for the standard_name attribute
  
          :param netCDF4.Dataset ds: An open netCDF dataset
          '''
          results = []
          for variable in self.get_applicable_variables(ds):
              msgs = []
              std_name = getattr(ds.variables[variable], 'standard_name', None)
              check = std_name is not None
              if not check:
                  msgs.append("standard_name")
              results.append(Result(BaseCheck.HIGH, check, self._var_header.format(variable), msgs))
  
          return results